Sirius Satellite Radio Starmate 4 User Manual page 100

fm direct adapter
The FM Direct Adapter accessory redirects your vehicle's FM antenna signal when listening to
your SIRIUS radio using your vehicle's AM/FM radio. When the SIRIUS radio is powered on
the FM Direct Adapter automatically redirects the vehicle's FM antenna signal away from the
vehicle's AM/FM radio, reducing any interference which might be present from FM radio sta-
tion broadcasts. When the SIRIUS radio is turned off, the FM antenna signal is automatically
redirected back to the vehicle's AM/FM radio. (Product number 14100.)
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Optional Accessories